Home / 8,659,144.35-11,948,755.10-4,791,128.67

Finding the Fourth Proportional to 8,659,144.35, 11,948,755.10 and 4,791,128.67

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Solution

The fourth proportional to 8,659,144.35, 11,948,755.10 and 4,791,128.67 is: 6,611,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659,144.35 : 11,948,755.10 = 4,791,128.67 : x
  2. Step 2: Convert to fraction form
    8,659,144.35/11,948,755.10 = 4,791,128.67/x
  3. Step 3: Cross multiply
    8,659,144.35x = 11,948,755.10 × 4,791,128.67
  4. Step 4: Simplify right side
    8,659,144.35x = 57,248,023,106,463.08
  5. Step 5: Solve for x
    x = 57,248,023,106,463.08/8,659,144.35
  6. Step 6: Final answer
    x = 6,611,279.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.